ABAP Select data from SAP table DPR_BW_IND_APPROVAL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DPR_BW_IND_APPROVAL table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to DPR_BW_IND_APPROVAL. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the DPR_BW_IND_APPROVAL table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_DPR_BW_IND_APPROVAL TYPE STANDARD TABLE OF DPR_BW_IND_APPROVAL,
      WA_DPR_BW_IND_APPROVAL TYPE DPR_BW_IND_APPROVAL,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <DPR_BW_IND_APPROVAL> TYPE DPR_BW_IND_APPROVAL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DPR_BW_IND_APPROVAL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DPR_BW_IND_APPROVAL
  INTO TABLE IT_DPR_BW_IND_APPROVAL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DPR_BW_IND_APPROVAL
*  INTO TABLE @DATA(IT_DPR_BW_IND_APPROVAL2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_DPR_BW_IND_APPROVAL INDEX 1 INTO DATA(WA_DPR_BW_IND_APPROVAL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DPR_BW_IND_APPROVAL ASSIGNING <DPR_BW_IND_APPROVAL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DPR_BW_IND_APPROVAL>-PRO_TYPE = 1.
<DPR_BW_IND_APPROVAL>-PRO_CATEGORY = 1.
<DPR_BW_IND_APPROVAL>-PRO_EXTERNAL_ID = 1.
<DPR_BW_IND_APPROVAL>-TEXT1 = 1.
<DPR_BW_IND_APPROVAL>-APPROVAL_GUID = 1.

ENDLOOP.

LOOP AT IT_DPR_BW_IND_APPROVAL INTO WA_DPR_BW_IND_APPROVAL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DPR_BW_IND_APPROVAL-GUID, sy-vline,
  WA_DPR_BW_IND_APPROVAL-PROC_STATUS_OWN, sy-vline,
  WA_DPR_BW_IND_APPROVAL-PROC_STATUS_SUP, sy-vline,
  WA_DPR_BW_IND_APPROVAL-DECISIVE_ROLE, sy-vline,
  WA_DPR_BW_IND_APPROVAL-DEC_MAKER_EXID, sy-vline,
  WA_DPR_BW_IND_APPROVAL-DECIDER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DPR_BW_IND_APPROVAL you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_DPR_BW_IND_APPROVAL TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_DPR_BW_IND_APPROVAL INTO WA_DPR_BW_IND_APPROVAL.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit CGPLP, internal->external for field APPROVAL_GUID
CALL FUNCTION 'CONVERSION_EXIT_CGPLP_OUTPUT'
  EXPORTING
    input =                      WA_DPR_BW_IND_APPROVAL-APPROVAL_GUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DPR_BW_IND_APPROVAL-APPROVAL_GUID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CGPLP, internal->external for field GUID
CALL FUNCTION 'CONVERSION_EXIT_CGPLP_OUTPUT'
  EXPORTING
    input =                      WA_DPR_BW_IND_APPROVAL-GUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DPR_BW_IND_APPROVAL-GUID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CGPLP, internal->external for field DECISIVE_ROLE
CALL FUNCTION 'CONVERSION_EXIT_CGPLP_OUTPUT'
  EXPORTING
    input =                      WA_DPR_BW_IND_APPROVAL-DECISIVE_ROLE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DPR_BW_IND_APPROVAL-DECISIVE_ROLE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DEC_MAKER_EXID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DPR_BW_IND_APPROVAL-DEC_MAKER_EXID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DPR_BW_IND_APPROVAL-DEC_MAKER_EXID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_DPR_BW_IND_APPROVAL-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DPR_BW_IND_APPROVAL-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TIMESTAMP_SAO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_DPR_BW_IND_APPROVAL-TIMESTAMP_SAO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DPR_BW_IND_APPROVAL-TIMESTAMP_SAO.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_DPR_BW_IND_APPROVAL_STR, 
PRO_TYPE TYPE STRING,
PRO_CATEGORY TYPE STRING,
PRO_EXTERNAL_ID TYPE STRING,
TEXT1 TYPE STRING,
APPROVAL_GUID TYPE STRING,
GUID TYPE STRING,
PROC_STATUS_OWN TYPE STRING,
PROC_STATUS_SUP TYPE STRING,
DECISIVE_ROLE TYPE STRING,
DEC_MAKER_EXID TYPE STRING,
DECIDER TYPE STRING,
DECISION TYPE STRING,
DECIDED_BY TYPE STRING,
DECIDED_ON_DATE TYPE STRING,
COMMENTARY TYPE STRING,
LANGUAGE TYPE STRING,
SIGNED_BY TYPE STRING,
SIGNED_ON_DATE TYPE STRING,
SIGNER_ZONE TYPE STRING,
SIGNER_FIRSTNAME TYPE STRING,
SIGNER_LASTNAME TYPE STRING,
SIGNER_COMMENT TYPE STRING,
SIGNATURE_FORMAT TYPE STRING,
SIGNED_DOCUMENT TYPE STRING,
DZONE TYPE STRING,
TIMESTAMP_SAO TYPE STRING,
VERSION_NUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DPR_BW_IND_APPROVAL_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_DPR_BW_IND_APPROVAL_STR-PRO_TYPE sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-PRO_CATEGORY sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-PRO_EXTERNAL_ID sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-TEXT1 sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-APPROVAL_GUID sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-GUID sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-PROC_STATUS_OWN sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-PROC_STATUS_SUP sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-DECISIVE_ROLE sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-DEC_MAKER_EXID sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-DECIDER sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-DECISION sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-DECIDED_BY sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-DECIDED_ON_DATE sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-COMMENTARY sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-LANGUAGE sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-SIGNED_BY sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-SIGNED_ON_DATE sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-SIGNER_ZONE sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-SIGNER_FIRSTNAME sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-SIGNER_LASTNAME sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-SIGNER_COMMENT sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-SIGNATURE_FORMAT sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-SIGNED_DOCUMENT sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-DZONE sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-TIMESTAMP_SAO sy-vline 
WA_DPR_BW_IND_APPROVAL_STR-VERSION_NUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.